Which mode should be used to open a file for both reading and writing in PHP?
A). r+
B). w+
C). a+
D). rb+
Which function is used to open a file in PHP?
A). fopen()
B). readfile()
C). file_get_contents()
D). file_put_contents()
Which function is used to write data to a file in PHP?
A). fwrite()
B). fput()
C). file_write()
D). put_file()
How do you check if a file is writable in PHP?
A). is_writable()
B). can_write()
C). is_writeable()
D). writable_file()
How do you check if a file is readable in PHP?
A). is_readable()
B). can_read()
C). is_read()
D). readable_file()
Which function is used to check if a file exists in PHP?
A). file_exists()
B). is_file()
C). file_check()
D). check_file()
What does the 'a' mode do when opening a file in PHP?
A). Appends data to the end of the file
B). Reads data from the file
C). Truncates the file to zero length
D). Creates a new file if it doesn't exist
Which function is used to read the entire content of a file into a string in PHP?
A). file_get_contents()
B). fread()
C). fget_contents()
D). read_file()
Which function is used to write data to a file if the file doesn't exist in PHP?
A). file_put_contents()
B). fwrite()
C). fput()
D). put_file()
Which function is used to read a single line from a file in PHP?
A). fgets()
B). fread()
C). fget()
D). readline()